“I think it is clear that any reasonable, thinking person would reject those extreme views,” Mr Host said.
The play is in the WA syllabus for drama.
In 1998, the Westboro Baptist Church picketed the funeral of student that the Laramie Project is about.
The group, which advocates the death penalty for gay people, gained its notoriety in the US when it started to picket the funerals of US soldiers killed in the Iraq and Afghanistan wars.
The group has argued the soldiers were killed as punishment from God for fighting for an "evil nation for abandoning all moral imperatives" by supporting gay people.